CN209749488U - A indoor case of breeding of automatically cleaning formula for aquaculture - Google Patents

A indoor case of breeding of automatically cleaning formula for aquaculture Download PDF

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Publication number
CN209749488U
CN209749488U CN201920090439.6U CN201920090439U CN209749488U CN 209749488 U CN209749488 U CN 209749488U CN 201920090439 U CN201920090439 U CN 201920090439U CN 209749488 U CN209749488 U CN 209749488U
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CN
China
Prior art keywords
box
aquaculture
motor
bottom plate
gear
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Expired - Fee Related
Application number
CN201920090439.6U
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Chinese (zh)
Inventor
沈涛洋
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Xinchang Chengnan Machinery Factory
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Xinchang Chengnan Machinery Factory
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Priority to CN201920090439.6U priority Critical patent/CN209749488U/en
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Publication of CN209749488U publication Critical patent/CN209749488U/en
Expired - Fee Related legal-status Critical Current
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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  • Farming Of Fish And Shellfish (AREA)

Abstract

The utility model discloses an indoor breed case of automatically cleaning formula for aquaculture, including box, first motor, second motor and outlet, the top of box is provided with the case lid, first motor is installed at the top of feedbox, first gear is installed in the outside of connecting cylinder, the internal connection of connecting cylinder has the pawl, the end department of cross axle installs conical gear, the bottom of vertical axis is connected with the second gear, the bottom interconnect of connecting pipe and feedbox is passed through at the top of discharging pipe, the interior bottom at the box is installed to the second motor, and the bottom of second motor is connected with the disc, the edge of disc is provided with T type pole, the outlet sets up the lower corner at the box. This an indoor case of breeding of automatically cleaning formula for aquaculture, it is comparatively convenient to breed the water change of incasement to can clear up the excrement of breeding incasement portion when changing water, the work of putting in the fodder simultaneously is more high-efficient.

Description

A indoor case of breeding of automatically cleaning formula for aquaculture
Technical Field
the utility model relates to an aquatic products breed technical field, specifically be an indoor breed case of automatically cleaning formula for aquaculture.
Background
Aquaculture is the production activity of breed, cultivation and results aquatic animals and plants under artificial control, generally includes the overall process of following the seed and fostering into aquatic products under the artificial feeding management, and aquatic organisms need regularly clear up in the breed case at the in-process of breed, guarantees the cleanness of aquatic organisms growing environment, nevertheless current breed case:
1. Most of the water in the culture box is replaced manually, the operation process is complicated, and the convenience of water replacement is influenced under the condition that aquatic organisms exist in the culture box;
2. The excrement in the culture box can not be cleaned while water is changed, and the excrement needs to be cleaned again manually, so that the water which is changed again is not clean enough;
3. Meanwhile, the feed needs to be manually put in one by one, the consumed time and labor are more, and the feed putting efficiency is lower due to the fact that the breeding box is larger.
Aiming at the problems, innovative design is urgently needed on the basis of the original cultivation box.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an indoor breed case of automatically cleaning formula for aquaculture to solve above-mentioned background art and propose that most change the water of breeding the incasement through the manual work, and can't clear up the excrement of breeding the incasement when changing water, and put in the lower problem of fodder efficiency.
in order to achieve the above object, the utility model provides a following technical scheme: a self-cleaning indoor culture box for aquaculture comprises a box body, a first motor, a second motor and a water outlet, wherein a box cover is arranged at the top of the box body, a feed box is installed at the top of the box cover, the first motor is installed at the top of the feed box, a connecting cylinder is arranged at the end of the first motor, a first gear is installed on the outer side of the connecting cylinder, a stirring piece penetrates through the inside of another first gear, a pawl is connected inside the connecting cylinder, a cross shaft is arranged at the end of the connecting cylinder, a bevel gear is installed at the end of the cross shaft, a vertical shaft penetrates through the inside of another bevel gear, a second gear is connected to the bottom of the vertical shaft, a discharge pipe is installed inside another second gear, the tops of the discharge pipes are mutually connected with the bottom of the feed box through a connecting pipe, and an electromagnetic valve is installed outside the connecting pipe, the interior bottom at the box is installed to the second motor, and the bottom of second motor is connected with the disc, the edge of disc is provided with T type pole, and the connecting plate is installed in the outside of T type pole, the outlet sets up the lower corner at the box.
Preferably, the pawl and one end of the transverse shaft form a ratchet structure, 2 bevel gears are arranged at the other end of the transverse shaft, and the 2 bevel gears are in meshed connection.
Preferably, the discharging pipe is in an inverted T-shaped structure, 2 discharging pipes are symmetrically arranged around the central axis of the feedbox, and the discharging pipe is in rotary connection with the connecting pipe.
Preferably, the disks form a rotating structure through the T-shaped rods and the connecting plate, and the distances between the 3 disks and the 3T-shaped rods are equal.
Preferably, the top of connecting plate is provided with the stand, and installs the bottom plate on the stand to the up end of bottom plate is provided with the horizontal pole, and the outside cover of horizontal pole is equipped with the lantern ring simultaneously, stand and bottom plate are threaded connection, and the screw thread at stand both ends sets up for the opposite direction, and the stand is about the central axis symmetric distribution of bottom plate.
Preferably, the bottom plate includes sealing washer and baffle, and the sealing washer setting is in the edge of bottom plate to the baffle setting is in the bottom of bottom plate, and the movable length of bottom plate equals the distance between baffle and the box bottom surface simultaneously.
preferably, the inboard of the lantern ring is provided with the scraper blade, and the avris of scraper blade installs the supporting seat to the inboard of supporting seat is provided with the connecting rod, and the end department of connecting rod is through connecing flitch and stand interconnect simultaneously, the rotating-structure is all constituteed with the supporting seat and connect the flitch to the connecting rod, and connects the flitch to be curved network structure.
Preferably, the avris of scraper blade is provided with the brush cleaner, and the scraper blade passes through the lantern ring and the horizontal pole constitutes sliding construction to the length of horizontal pole equals 2 scraper blade movable length sums.
Compared with the prior art, the beneficial effects of the utility model are that: the self-cleaning indoor aquaculture tank for aquaculture is convenient to replace water in the aquaculture tank, can clean excrement in the aquaculture tank while replacing water, and is efficient in feed throwing;
1. By arranging the disc, the T-shaped rod, the connecting plate, the stand column, the bottom plate and the material receiving plate can be respectively driven to move in opposite directions by the driving of the motor, so that aquatic organisms can be salvaged by the material receiving plate while water is drained;
2. by arranging the cross rod, the lantern ring, the scraping plate, the cleaning brush, the supporting seat and the connecting rod, when the bottom plate and the material receiving plate move in opposite directions, the scraping plate and the cleaning brush can be driven to clean excrement on the bottom plate, so that secondary cleaning of an operator is reduced;
3. Through setting up connecting cylinder, gear, stirring piece, pawl, cross axle, vertical axis and discharging pipe, through the corotation and the reversal of motor, can stir the fodder through the stirring piece, also have the additional action to the unloading of fodder.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic view of the connecting structure of the connecting cylinder and the cross shaft of the present invention;
fig. 5 is a schematic top view of the bottom plate of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;
Fig. 7 is a schematic view of the top view structure of the disc of the present invention.
In the figure: 1. a box body; 2. a box cover; 3. a feed bin; 4. a first motor; 5. a connecting cylinder; 6. a first gear; 7. a stirring member; 8. a pawl; 9. a horizontal axis; 10. a bevel gear; 11. a vertical axis; 12. a second gear; 13. a discharge pipe; 14. a connecting pipe; 15. an electromagnetic valve; 16. a second motor; 17. a disc; 18. a T-shaped rod; 19. a connecting plate; 20. a column; 21. a base plate; 211. a seal ring; 212. a baffle plate; 22. a cross bar; 23. a collar; 24. a squeegee; 241. cleaning with a brush; 25. a supporting seat; 26. a connecting rod; 27. a material receiving plate; 28. and a water outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
referring to fig. 1-7, the present invention provides a technical solution: a self-cleaning indoor culture box for aquaculture comprises a box body 1, a box cover 2, a feed box 3, a first motor 4, a connecting cylinder 5, a first gear 6, a stirring piece 7, a pawl 8, a transverse shaft 9, a bevel gear 10, a vertical shaft 11, a second gear 12, a discharge pipe 13, a connecting pipe 14, an electromagnetic valve 15, a second motor 16, a disc 17, a T-shaped rod 18, a connecting plate 19, a vertical column 20, a bottom plate 21, a transverse rod 22, a lantern ring 23, a scraping plate 24, a supporting seat 25, a connecting rod 26, a material receiving plate 27 and a water outlet 28, wherein the box cover 2 is arranged at the top of the box body 1, the feed box 3 is arranged at the top of the box cover 2, the first motor 4 is arranged at the top of the feed box 3, the connecting cylinder 5 is arranged at the end of the first motor 4, the first gear 6 is arranged on the outer side of the connecting cylinder 5, the stirring piece 7 penetrates through the inside of the other first, a transverse shaft 9 is arranged at the end of the connecting cylinder 5, a bevel gear 10 is mounted at the end of the transverse shaft 9, a vertical shaft 11 penetrates through the inside of the other bevel gear 10, a second gear 12 is connected to the bottom of the vertical shaft 11, a discharge pipe 13 is mounted inside the other second gear 12, the top of the discharge pipe 13 is connected with the bottom of the feed box 3 through a connecting pipe 14, an electromagnetic valve 15 is mounted on the outer side of the connecting pipe 14, a second motor 16 is mounted at the inner bottom of the box body 1, a disc 17 is connected to the bottom of the second motor 16, a T-shaped rod 18 is arranged at the edge of the disc 17, a connecting plate 19 is mounted on the outer side of the T-shaped rod 18, and a water outlet 28 is formed in the lower;
The pawl 8 and one end of the cross shaft 9 form a ratchet structure, 2 bevel gears 10 at the other end of the cross shaft 9 are arranged, and 2 conical gears 10 are in meshed connection, the discharge pipe 13 is in an inverted T-shaped structure, and 2 discharge pipes 13 are symmetrically arranged around the central axis of the feed box 3, and the discharge pipe 13 is rotationally connected with the connecting pipe 14, the first motor 4 drives the connecting cylinder 5 to rotate when rotating anticlockwise, the purpose of driving the stirring piece 7 to rotate can be achieved, the fodder is prevented from being damped and caked when being placed for too long time, when the first motor 4 drives the connecting cylinder 5 to rotate clockwise, the bevel gear 10 can convert the transverse rotation into the vertical rotation, the purpose of driving the discharge pipe 13 to rotate is further achieved, so that the feed can be thrown to different positions in the box body 1 during rotation, the situation that aquatic organisms are crowded together to rush to eat is avoided, and the feed feeding is more efficient;
the disc 17 forms a rotating structure through the T-shaped rods 18 and the connecting plate 19, the distances between the 3 discs 17 and the 3T-shaped rods 18 are equal, the second motor 16 drives the disc 17 to rotate, so that the T-shaped rods 18 at the edge of the disc 17 do circular track motion by taking the circle center of the disc 17 as a central point, the connecting plate 19 is further driven to move on the 3 discs 17, and the discs 17 at the two ends drive the 2 upright posts 20 to rotate when rotating;
An upright post 20 is arranged above the connecting plate 19, a bottom plate 21 is arranged on the upright post 20, a cross rod 22 is arranged on the upper end face of the bottom plate 21, a sleeve ring 23 is sleeved outside the cross rod 22, the upright post 20 and the bottom plate 21 are in threaded connection, threads at two ends of the upright post 20 are arranged in opposite directions, the upright post 20 is symmetrically distributed about the central axis of the bottom plate 21, the bottom plate 21 comprises a sealing ring 211 and a baffle plate 212, the sealing ring 211 is arranged at the edge of the bottom plate 21, the baffle plate 212 is arranged at the bottom of the bottom plate 21, the movable length of the bottom plate 21 is equal to the distance between the baffle plate 212 and the bottom surface of the box body 1, the bottom plate 21 and the material receiving plate 27 at two ends of the upright post 20 move in opposite directions, water in the box body 1 can be discharged from the water discharge port 28, the material receiving plate 27 can rise to be capable of fishing out aquatic organisms in the water without obstructing the, the damage of the discharged water to the second motor 16 is avoided, the arrangement of the sealing ring 211 increases the sealing performance between the box body 1 and the bottom plate 21, and the water leakage phenomenon is prevented;
the inner side of the lantern ring 23 is provided with a scraper 24, the side of the scraper 24 is provided with a support seat 25, the inner side of the support seat 25 is provided with a connecting rod 26, the end of the connecting rod 26 is connected with the upright post 20 through a material receiving plate 27, the connecting rod 26, the support seat 25 and the material receiving plate 27 form a rotating structure, the material receiving plate 27 is of an arc-shaped net structure, the side of the scraper 24 is provided with a cleaning brush 241, the scraper 24 forms a sliding structure through the lantern ring 23 and the cross rod 22, the length of the cross rod 22 is equal to the sum of the movable lengths of 2 scrapers 24, when the bottom plate 21 and the material receiving plate 27 move in opposite directions, the distance between the two is larger and larger, the scraper 24 can be driven by the connecting rod 26 to slide on the cross rod 22 through the lantern ring 23, the scraper 24 drives the cleaning brush 241 to clean excrement on the bottom plate 21 while sliding, and meanwhile, after the drainage is finished, the second motor 16 rotates in the opposite direction, and can drive the bottom plate 21 and the material receiving plate 27 to move relatively.
The working principle is as follows: when the self-cleaning indoor aquaculture box for aquaculture is used, firstly, after the feed is stored in the feed box 3 according to the graph shown in fig. 1-4, the first motor 4 rotates anticlockwise to drive the connecting cylinder 5 to rotate, the connecting cylinder 5 rotates to drive the first gear 6 to rotate, the first gear 6 drives the other first gear 6 to rotate through a chain, and the purpose of driving the stirring piece 7 to rotate is further achieved, so that the feed in the feed box 3 can be stirred, and the feed is prevented from being wetted and agglomerated for too long time;
when the first motor 4 drives the connecting cylinder 5 to rotate clockwise, the end of the cross shaft 9 and the pawl 8 in the connecting cylinder 5 form a ratchet structure, so that the connecting cylinder 5 can drive the cross shaft 9 to rotate when rotating, the cross shaft 9 drives the bevel gear 10 to rotate when rotating, then the bevel gear 10 drives the other bevel gear 10 to rotate, thus the transverse rotation can be converted into vertical rotation, further the vertical shaft 11 drives the second gear 12 to rotate, the second gear 12 drives the other 2 second gears 12 to rotate through a chain when rotating, further the purpose of driving the discharge pipe 13 to rotate is achieved, the discharge pipe 13 and the connecting pipe 14 can rotate, the top of the connecting pipe 14 is introduced into the interior of the feed box 3, then the feed in the feed box 3 can fall into the box body 1 through the discharge pipe 13 by opening the electromagnetic valve 15, the discharge pipe 13 is of an inverted T-shaped structure, when the box body is rotated, the feed can be thrown to different positions in the box body 1, so that the situation that aquatic organisms are crowded together to rush to eat is avoided, and the feed feeding is more efficient;
according to fig. 1 and 5-7, then the second motor 16 drives the disc 17 to rotate, so that the T-shaped rod 18 at the edge of the disc 17 moves in a circular track with the center of the disc 17 as the center point, and further drives the connecting plate 19 to move on 3 discs 17, the discs 17 at two ends drive 2 columns 20 to rotate when rotating, the two ends of each column 20 are provided with opposite threads, so that the bottom plate 21 and the material receiving plate 27 at two ends of each column 20 move in opposite directions, when the edge of the bottom plate 21 moves to a wider position at the bottom of the box 1, water in the box 1 is discharged from the water outlet 28, the moving length of the bottom plate 21 is equal to the distance from the baffle plate 212 to the bottom of the box 1, so that the baffle plate 212 can be blocked between the mounting position of the second motor 16 and the water outlet 28, the damage of the second motor 16 caused by the discharged water is avoided, and the material receiving plate 27 rises at the same time, the material receiving plate 27 is of an arc-shaped grid structure, so that the flowing of water is not hindered, aquatic organisms can be gathered together, and the convenience of water drainage is improved;
when the bottom plate 21 and the material receiving plate 27 move in opposite directions, the distance between the bottom plate 21 and the material receiving plate 27 is increasingly larger, the connecting rod 26 can drive the scraper 24 to slide on the cross rod 22 through the lantern ring 23, the scraper 24 can be ensured to move above the bottom plate 21 all the time, meanwhile, the connecting rod 26 and the supporting seat 25 and the material receiving plate 27 can rotate, the scraper 24 can drive the cleaning brush 241 to clean excrement on the bottom plate 21 while sliding, the excrement is discharged through the edge of the bottom plate 21, meanwhile, the sum of the moving distances of the 2 scrapers 24 is equal to the length of the cross rod 22, so that the 2 scrapers 24 can conveniently scrape the excrement in opposite directions at the same time, after the drainage is finished, the second motor 16 rotates in opposite directions to drive the bottom plate 21 and the material receiving plate 27 to move relatively, the bottom plate 21 moves to a position attached to the inner wall of the box body 1, and the sealing ring 211 increases the sealing, the water leakage phenomenon is prevented, so that the connecting rod 26 can drive the scraper 24 to return to the position where the two parts are initially attached to each other, clean water is poured into the box body 1 again, the clean degree of the aquatic organism growing environment is guaranteed, and the operation process is convenient.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (8)

1. a self-cleaning indoor aquaculture case for aquaculture, includes box (1), first motor (4), second motor (16) and outlet (28), its characterized in that: the top of the box body (1) is provided with a box cover (2), the top of the box cover (2) is provided with a feed box (3), the first motor (4) is installed at the top of the feed box (3), the end of the first motor (4) is provided with a connecting cylinder (5), the outer side of the connecting cylinder (5) is provided with a first gear (6), the inside of the other first gear (6) is provided with a stirring piece (7) in a penetrating manner, the inside of the connecting cylinder (5) is connected with a pawl (8), the end of the connecting cylinder (5) is provided with a transverse shaft (9), the end of the transverse shaft (9) is provided with a bevel gear (10), the inside of the other bevel gear (10) is provided with a vertical shaft (11) in a penetrating manner, the bottom of the vertical shaft (11) is connected with a second gear (12), and the inside of the other second gear (12) is provided with a discharge pipe, the bottom interconnect of connecting pipe (14) and feedbox (3) is passed through at the top of discharging pipe (13), and solenoid valve (15) are installed in the outside of connecting pipe (14), the interior bottom at box (1) is installed in second motor (16), and the bottom of second motor (16) is connected with disc (17), the edge of disc (17) is provided with T type pole (18), and connecting plate (19) are installed in the outside of T type pole (18), outlet (28) set up the lower corner at box (1).
2. a self-cleaning indoor habitat for aquaculture of claim 1 wherein: the ratchet structure is formed by the pawl (8) and one end of the transverse shaft (9), 2 conical gears (10) at the other end of the transverse shaft (9) are arranged, and the 2 conical gears (10) are in meshed connection.
3. A self-cleaning indoor habitat for aquaculture of claim 1 wherein: the discharging pipe (13) is of an inverted T-shaped structure, 2 discharging pipes (13) are symmetrically arranged on the central axis of the feed box (3), and the discharging pipes (13) are connected with the connecting pipe (14) in a rotating mode.
4. A self-cleaning indoor habitat for aquaculture of claim 1 wherein: the disc (17) forms a rotating structure through the T-shaped rods (18) and the connecting plate (19), and the distances between the 3 discs (17) and the 3T-shaped rods (18) are equal.
5. A self-cleaning indoor habitat for aquaculture of claim 1 wherein: the top of connecting plate (19) is provided with stand (20), and installs bottom plate (21) on stand (20) to the up end of bottom plate (21) is provided with horizontal pole (22), and the outside cover of horizontal pole (22) is equipped with lantern ring (23) simultaneously, stand (20) and bottom plate (21) are threaded connection, and the screw thread at stand (20) both ends sets up for the opposite direction, and stand (20) are about the central axis symmetric distribution of bottom plate (21).
6. A self-cleaning indoor habitat for aquaculture of claim 5 wherein: the bottom plate (21) includes sealing washer (211) and baffle (212), and sealing washer (211) set up the edge at bottom plate (21) to baffle (212) set up the bottom at bottom plate (21), and the movable length of bottom plate (21) equals the distance between baffle (212) and box (1) bottom surface simultaneously.
7. A self-cleaning indoor habitat for aquaculture of claim 5 wherein: the inboard of lantern ring (23) is provided with scraper blade (24), and supporting seat (25) are installed to the avris of scraper blade (24) to the inboard of supporting seat (25) is provided with connecting rod (26), and the end department of connecting rod (26) is through connecing flitch (27) and stand (20) interconnect simultaneously, rotating-structure is all constituteed with supporting seat (25) and connecing flitch (27) in connecting rod (26), and connects flitch (27) to be curved network structure.
8. a self-cleaning indoor habitat for aquaculture of claim 7 wherein: the side of the scraper (24) is provided with a cleaning brush (241), the scraper (24) forms a sliding structure through a lantern ring (23) and a cross rod (22), and the length of the cross rod (22) is equal to the sum of the movable lengths of the 2 scrapers (24).
CN201920090439.6U 2019-01-21 2019-01-21 A indoor case of breeding of automatically cleaning formula for aquaculture Expired - Fee Related CN209749488U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920090439.6U CN209749488U (en) 2019-01-21 2019-01-21 A indoor case of breeding of automatically cleaning formula for aquaculture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920090439.6U CN209749488U (en) 2019-01-21 2019-01-21 A indoor case of breeding of automatically cleaning formula for aquaculture

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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111657225A (en) * 2020-05-29 2020-09-15 李年才 Large-scale water curtain fish bowl bottom cleaning device of sightseeing tour
CN116714099A (en) * 2023-08-11 2023-09-08 福建省德化县杰宝陶瓷有限公司 Environment-friendly ceramic material production equipment and production method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111657225A (en) * 2020-05-29 2020-09-15 李年才 Large-scale water curtain fish bowl bottom cleaning device of sightseeing tour
CN111657225B (en) * 2020-05-29 2021-12-17 陈婕妤 Large-scale water curtain fish bowl bottom cleaning device of sightseeing tour
CN116714099A (en) * 2023-08-11 2023-09-08 福建省德化县杰宝陶瓷有限公司 Environment-friendly ceramic material production equipment and production method thereof
CN116714099B (en) * 2023-08-11 2023-10-20 福建省德化县杰宝陶瓷有限公司 Environment-friendly ceramic material production equipment and production method thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191210

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